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- 1. Multiple Choice
What do acids do to red litmus paper?Turn it RedTurn it BlueTurn it YellowTurn it Green - 2. Multiple ChoiceWhat do bases do to red litmus paper?Turn it RedTurn it BlueTurn it YellowTurn it Green
- 3. Multiple ChoiceWhat do bases do to blue litmus paper?Turn it RedTurn it BlueTurn it YellowTurn it Green
- 4. Multiple ChoiceWhat do acids do to blue litmus paper?Turn it RedTurn it BlueTurn it YellowTurn it Green
- 5. Multiple ChoiceHave a sour tasteacidbaseneitherboth
- 6. Multiple ChoiceHave a bitter tasteacidbaseneitherboth
- 7. Multiple ChoiceFeel slipperyacidbaseneitherboth
- 8. Multiple ChoiceWhich food is the most acidic?bananaslemon juiceorange juicefish
- 9. Multiple Choice
Which of the following is a positive for an acid
Blue Litmus paper staying blue
Red Litmus paper staying red
Phenolphthalein being pink
Bromothymol blue turning blue
- 10. Multiple Choice
The table shows the pH of several solutions. Which solution is the most acidic?
vinegar
milk
water
bleach
- 11. Multiple Choice
Examine the results (color change) of the pH paper shown in the picture. What type of substance was tested?
an acid
a base
a neutral substance
none of the above
- 12. Multiple Choice
What is the colour of phenolphthalein an acid?
Pink
Yellow
Orange
Colourless
- 13. Multiple Choice
What is the colour of phenolphthalein in a base ?
Pink
Blue
Red
Colourless
- 14. Multiple Choice
An acid will ____________ a proton (H+) and form the conjugate _____________________
accept, base
donate, base
accept, acid
donate, acid
- 15. Multiple Choice
A base will _______________ a proton (H) to form the conjugate __________________.
accept, base
donate, base
accept, acid
donate, acid
- 16. Multiple Choice
Water is
Strong acid
Weak acid
Neutral
Weak base
Strong base
- 17. Multiple Choice
Which of the following is never true of an acid?
Can start with H in it's chemical formula
Can have a pH between 1-6
Breaks apart into hydroxide ions
Can donate a proton in solution
- 18. Multiple Choice
What is the pH of a substance with a hydrogen ion concentration of .0002?
1.2
3.7
6.5
8.1
- 19. Multiple Choice
A substance with a pH of 4.8 is best classified as a _________________, and ______________ is a chemical that could be an example.
Weak acid, HCl
Strong acid, HClO4
Weak acid, HF
Strong acid, H3PO4
- 20. Multiple Choice
In a neutralization reaction what gets made as a product?
Acid and Base
Base and water
Salt and water
Acid and water
- 21. Multiple Choice
In a neutralization reaction between HBr and NaOH what would be the products?
sodium hydroxide and water
hydrogen hydroxide and sodium chloride
Sodium bromide and water
sodium hydride and water
- 22. Multiple Choice
Which of the following is the conjugate base of HBr?
H2Br
Br-
H2O
OH-
- 23. Multiple Choice
Which of the following is the conjugate acid of H2O?
H3O+
OH-
Br-
HCl
- 24. Multiple Choice
Which of the following is true of Sodium hydroxide?
It is a weak base
It will completely dissociate into its ions
It could turn red litmus paper red
It could turn pH paper orange
- 25. Multiple Choice
Which diagram is showing a weak acid?
Left
Right
Neither
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